Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
fūnis, is, m. (fem., Lucr. 2, 1154; ap. Gell. 13, 20, 21, and Non. 205, 22; cf. Quint. 1, 6, 6) [perh. for fudnis, root in Sanscr. bandh-, bind; cf. Gr. πεῖσμα, rope; kindr. with σχοῖνος], a rope, sheet, line, cord (syn.: restis, rudens): funes dicti, quod antea in usum luminis circumdati cera, unde et funalia, Isid. Orig. 19, 4; Cato, R. R. 135, 4; Varr. R. R. 1, 22; Caes. B. G. 3, 13, 5; 3, 14, 6; 4, 29, 3 al.; Plin. 16, 1, 1, § 4; Verg. A. 2, 262; Ov. M. 8, 777 et saep.: patiatur necesse est illam per funes ingredientium tarditatem, i. e. of the rope-dancers, Quint. 2, 14, 16.